7. US military struggling to stop suicide epidemic among war veterans

Last year, more active-duty soldiers killed themselves than died in combat. And after a decade of deployments to war zones, the Pentagon is bracing for things to get much worse

Libby Busbee is pretty sure that her son William never sat through or read Shakespeare's Macbeth, even though he behaved as though he had. Soon after he got back from his final tour of Afghanistan, he began rubbing his hands over and over and constantly rinsing them under the tap.